Journal
APPLIED SURFACE SCIENCE
Volume 254, Issue 15, Pages 4452-4456Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2008.01.038
Keywords
photocatalytic; Eosin Y; TS-1 zeolite; H-2 generation; visible light irradiations
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Eosin Y-sensitized TS-1 zeolite was studied for the photo-reduction of water into hydrogen driven by visible light (lambda >= 420 nm). The optimal pH and weight ratio between Eosin Y and TS-1 zeolite is 7 and 1/8, respectively. In the presence of triethanolamine (TEA) as an electron donor, the highest rate of hydrogen generation and apparent quantum efficiency are 34 mu mol h(-1) and 9.4%, respectively, under visible light irradiation (lambda >= 420 nm). Short-term stability test indicates that the catalyst is rather stable during 50 h photoreaction. (c) 2008 Elsevier B.V. All rights reserved.
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